fix: try to fix GH PR andreiz#31

ChangeLog

@@ -6,6 +6,7 @@ Version 0.6.3
 	Bugs:
 	* Correct exception message (From "Failed to connect to Zookeeper" to "Failed to initialize ZooKeeper ...", Issue #29)
 	* Fix 'duplicate symbol _php_zk_config_ce'
+    * Fix segmentation fault when destroying Zookeeper instance (GH PR #31)
 
 Version 0.6.2
 -------------

php_zookeeper.c

@@ -884,9 +884,8 @@ zend_object* php_zk_new(zend_class_entry *ce TSRMLS_DC)
 {
 	php_zk_t *i_obj;
 
-	i_obj = ecalloc(1, sizeof(*i_obj));
+	i_obj = ecalloc(1, sizeof(php_zk_t) + zend_object_properties_size(ce));
 	zend_object_std_init( &i_obj->zo, ce TSRMLS_CC );
-	object_properties_init(&i_obj->zo, ce);
 	i_obj->zo.handlers = &zookeeper_obj_handlers;
 
 	zend_hash_init_ex(&i_obj->callbacks, 5, NULL, (dtor_func_t)php_cb_data_zv_destroy, 0, 0);

tests/gh-pr-31.phpt

@@ -0,0 +1,28 @@
+--TEST--
+php-zookeeper/php-zookeeper's PR #31
+--SKIPIF--
+<?php
+if (!extension_loaded('zookeeper')) {
+    echo 'skip ZooKeeper extension is not loaded';
+}
+?>
+--FILE--
+<?php
+function create($key)
+{
+    $store = new \Zookeeper('127.0.0.1:2181');
+    $store->create(
+        $key,
+        '',
+        [[ 'perms' => \Zookeeper::PERM_ALL, 'scheme' => 'world', 'id' => 'anyone' ]],
+        \Zookeeper::EPHEMERAL
+    );
+}
+
+create('/' . uniqid());
+create('/xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx' . uniqid());
+
+echo 'OK';
+
+--EXPECT--
+OK